Radar signal processor
    11.
    发明申请
    Radar signal processor 有权
    雷达信号处理器

    公开(公告)号:US20070120730A1

    公开(公告)日:2007-05-31

    申请号:US11605993

    申请日:2006-11-29

    IPC分类号: G01S13/93

    摘要: A radar signal processor has means for outputting a predetermined observation signal from a reflected wave caught by an array element, means for extracting an observation signal component concerning a target from the observation signal, means for computing a sample correlation matrix showing a correlation characteristic between the observation means which is a sample value of a correlation matrix from the observation signal components, means for estimating power of the reflected wave from the sample correlation matrix, and an array response matrix which is comprised of response vectors of the reflected waves, and means for selecting the reflected wave in a predetermined arrival direction power of which is to be estimated and a reflected wave in an azimuth adjacent to the arrival direction of the reflected wave and for computing and determining the array response matrix as an adjacent azimuth array response matrix, having only these reflected waves as elements in order to estimate the power of the reflected wave on the basis of the adjacent azimuth array response matrix.

    摘要翻译: 雷达信号处理器具有用于从由阵列元件捕获的反射波输出预定观测信号的装置,用于从观测信号中提取关于目标的观测信号分量的装置,用于计算示出相关特征的样本相关矩阵的装置 观测装置,其是来自观测信号分量的相关矩阵的样本值,用于估计来自样本相关矩阵的反射波的功率的装置和由反射波的响应矢量组成的阵列响应矩阵,以及用于 选择要被估计的预定到达方向功率的反射波和与反射波的到达方向相邻的方位角的反射波,并且用于计算和确定阵列响应矩阵作为相邻的方位阵列响应矩阵,具有 只有这些反射波作为元素才能估计p 在相邻的方位阵列响应矩阵的基础上反射波的反射。

    Radar signal processor
    12.
    发明申请
    Radar signal processor 有权
    雷达信号处理器

    公开(公告)号:US20070024492A1

    公开(公告)日:2007-02-01

    申请号:US11376625

    申请日:2006-03-15

    IPC分类号: G01S13/93

    摘要: A radar signal processor has observation means, for receiving a reflected wave from a target and for outputting a predetermined observation signal, means for extracting distance component, for extracting a distance component corresponding to a distance from the each observation signal, means for estimating, for collecting respective distance components and for computing and estimating an estimated value of a corresponding correlation matrix with a forgetting factor as a parameter by a method for estimating correlation matrix with exponential smoothing, means for estimating a presence of a target or a movement state of the target on the basis of the respective estimated values of the correlation matrices, and means for determining forgetting factor, for respectively computing and determining the forgetting factors corresponding to the distances, and for respectively outputting the computed and determined.

    摘要翻译: 雷达信号处理器具有用于从目标接收反射波并输出预定观测信号的观测装置,用于提取距离分量的装置,用于提取与每个观测信号相对应的距离的距离分量;装置,用于估计 收集相应的距离分量,并且通过用于以指数平滑估计相关矩阵的方法来计算和估计具有遗忘因子的相应相关矩阵的估计值作为参数,用于估计目标的存在或目标的移动状态的装置 根据相关矩阵的相应估计值,以及用于确定遗忘因子的装置,分别计算和确定与距离对应的遗忘因子,并分别输出计算和确定的。

    Electronically scanned radar system and receiving antenna
    13.
    发明授权
    Electronically scanned radar system and receiving antenna 有权
    电子扫描雷达系统和接收天线

    公开(公告)号:US07898465B2

    公开(公告)日:2011-03-01

    申请号:US12524672

    申请日:2008-02-27

    IPC分类号: G01S13/42 G01S13/93

    摘要: A plurality of array antenna elements are divided in terms of a set constituted of an optionally selected L number of groups. The spaces between the array antenna elements are determined by obtaining a greatest common divisor of the set as a greatest common divisor of inter-group element spaces, the set having, as components, greatest common divisors of inter-element spaces of the individual L number of groups in the set, obtaining a greatest common divisor of inter-group element for every number L equal to or less than the maximum number of incoming waves by changing the number L of group components, and allowing a direction not to be caused in the radar scanning region by a number equal to or more than L+1, on the basis of the greatest common divisor of inter-group element spaces for every number L of group components, the direction being linearly dependent on an incoming wave corresponding to the greatest common divisor of inter-group element spaces.

    摘要翻译: 多个阵列天线元件根据由任意选择的L个组构成的集合进行划分。 阵列天线元件之间的空间是通过获得该组的最大公约数作为组间元素空间的最大公约数来确定的,该集合具有作为各个L个数的元素间空间的最大公约数的组成部分 的组中,通过改变组成分数L来获得等于或小于最大进入波数的每个数L的组间元素的最大公约数,并且允许在 雷达扫描区域等于或大于L + 1的数量,基于每个数量L的组分量的群组间空间的最大公约数,该方向线性地取决于对应于最大的入射波 组间元素空间的公约数。

    Target detecting apparatus using electronically agile radar
    14.
    发明申请
    Target detecting apparatus using electronically agile radar 有权
    使用电子敏捷雷达的目标检测装置

    公开(公告)号:US20080088498A1

    公开(公告)日:2008-04-17

    申请号:US11973363

    申请日:2007-10-05

    IPC分类号: G01S7/02

    摘要: A target detecting apparatus mounted on a vehicle has an electronically agile radar detecting a beat signal indicating a difference in frequency between transmission and reception signals and producing a time series of N reception data from the beat signal, a determining unit determining search areas placed at different ranges of distance from the vehicle while considering a running state of the vehicle and determining a data length for each search area, an extracting unit extracting (N−M+1) time series of short time data, respectively, having the data length corresponding to M reception data from the N reception data for each search area, a producing unit producing phase information from the short time data for each search area, and a detecting unit determining a target distance and a target bearing from the phase information and detecting a target from the target distance and the target bearing.

    摘要翻译: 安装在车辆上的目标检测装置具有电子敏捷雷达,其检测指示发送和接收信号之间的频率差异的拍频信号,并从拍子信号产生N个接收数据的时间序列,确定单元确定放置在不同的搜索区域 在考虑车辆的行驶状态并确定每个搜索区域的数据长度时,与车辆的距离范围,提取单元提取(N-M + 1)时间数据的时间序列,其数据长度分别对应于 来自每个搜索区域的N个接收数据的M个接收数据,从每个搜索区域的短时间数据产生相位信息的产生单元,以及从该相位信息确定目标距离和目标方位的检测单元, 目标距离和目标轴承。

    Target detecting apparatus using electronically agile radar
    15.
    发明授权
    Target detecting apparatus using electronically agile radar 有权
    使用电子敏捷雷达的目标检测装置

    公开(公告)号:US07663537B2

    公开(公告)日:2010-02-16

    申请号:US11973363

    申请日:2007-10-05

    摘要: A target detecting apparatus mounted on a vehicle has an electronically agile radar detecting a beat signal indicating a difference in frequency between transmission and reception signals and producing a time series of N reception data from the beat signal, a determining unit determining search areas placed at different ranges of distance from the vehicle while considering a running state of the vehicle and determining a data length for each search area, an extracting unit extracting (N−M+1) time series of short time data, respectively, having the data length corresponding to M reception data from the N reception data for each search area, a producing unit producing phase information from the short time data for each search area, and a detecting unit determining a target distance and a target bearing from the phase information and detecting a target from the target distance and the target bearing.

    摘要翻译: 安装在车辆上的目标检测装置具有电子敏捷雷达,其检测指示发送和接收信号之间的频率差异的拍频信号,并从拍子信号产生N个接收数据的时间序列,确定单元确定放置在不同的搜索区域 在考虑车辆的行驶状态并确定每个搜索区域的数据长度时,与车辆的距离范围,提取单元提取(N-M + 1)时间数据的时间序列,其数据长度分别对应于 来自每个搜索区域的N个接收数据的M个接收数据,从每个搜索区域的短时间数据产生相位信息的产生单元,以及从该相位信息确定目标距离和目标方位的检测单元, 目标距离和目标轴承。

    Radar signal processor
    16.
    发明授权
    Radar signal processor 有权
    雷达信号处理器

    公开(公告)号:US07525478B2

    公开(公告)日:2009-04-28

    申请号:US11376625

    申请日:2006-03-15

    IPC分类号: G01S13/56 G01S13/93

    摘要: A radar signal processor is disclosed having an observation mechanism for receiving a reflected wave from a target and for outputting a predetermined observation signal. The processor extracts a distance component corresponding to a distance from each observation signal. The processor further collects the respective distance components and computes an estimated value of a corresponding correlation matrix with a forgetting factor as a parameter using a method for estimating correlation matrix with exponential smoothing. The processor further estimates the presence or movement state of the target on the basis of the respective estimated values of the correlation matrices and outputs the computed values.

    摘要翻译: 公开了一种雷达信号处理器,其具有用于从目标接收反射波并用于输出预定观测信号的观察机构。 处理器从每个观察信号提取与距离相对应的距离分量。 处理器进一步收集相应的距离分量,并使用遗传因子作为参数来计算具有指数平滑估计相关矩阵的方法的相应相关矩阵的估计值。 处理器进一步基于相关矩阵的相应估计值来估计目标的存在或移动状态,并输出所计算的值。

    ELECTRONICALLY SCANNED RADAR SYSTEM AND RECEIVING ANTENNA
    17.
    发明申请
    ELECTRONICALLY SCANNED RADAR SYSTEM AND RECEIVING ANTENNA 有权
    电子扫描雷达系统和接收天线

    公开(公告)号:US20100045507A1

    公开(公告)日:2010-02-25

    申请号:US12524672

    申请日:2008-02-27

    IPC分类号: G01S13/93 G01S13/58 G01S13/42

    摘要: A plurality of array antenna elements are divided in terms of a set constituted of an optionally selected L number of groups. The spaces between the array antenna elements are determined by obtaining a greatest common divisor of the set as a greatest common divisor of inter-group element spaces, the set having, as components, greatest common divisors of inter-element spaces of the individual L number of groups in the set, obtaining a greatest common divisor of inter-group element for every number L equal to or less than the maximum number of incoming waves by changing the number L of group components, and allowing a direction not to be caused in the radar scanning region by a number equal to or more than L+1, on the basis of the greatest common divisor of inter-group element spaces for every number L of group components, the direction being linearly dependent on an incoming wave corresponding to the greatest common divisor of inter-group element spaces.

    摘要翻译: 多个阵列天线元件根据由任意选择的L个组构成的集合进行划分。 阵列天线元件之间的空间是通过获得该组的最大公约数作为组间元素空间的最大公约数来确定的,该集合具有作为各个L个数的元素间空间的最大公约数的组成部分 的组中,通过改变组成分数L来获得等于或小于最大进入波数的每个数L的组间元素的最大公约数,并且允许在 雷达扫描区域等于或大于L + 1的数量,基于每个数量L的组分量的群组间空间的最大公约数,该方向线性地取决于对应于最大的入射波 组间元素空间的公约数。

    ELECTRONIC SCANNING RADAR APPARATUS
    18.
    发明申请
    ELECTRONIC SCANNING RADAR APPARATUS 有权
    电子扫描雷达设备

    公开(公告)号:US20080048906A1

    公开(公告)日:2008-02-28

    申请号:US11676684

    申请日:2007-02-20

    IPC分类号: G01S13/42 G01S13/93

    摘要: An electronic scanning radar apparatus has a cutting portion for cutting receiving data which is comprised of N numbers of data for each channel into two more short time data having M (

    摘要翻译: 电子扫描雷达装置具有切割部分,用于将每个通道的N个数据数据的接收数据切割成具有每个通道的时间方向上的M(N)个数据的两个更短的时间数据;逆矩阵 用于从短时间数据计算和估计时间序列相关矩阵的逆矩阵的估计器;以及相位信息产生部分,用于计算时间序列相关矩阵的估计逆矩阵中的CAPON相位信息,以便检测距离, 基于计算的CAPON相位信息的目标的方位角和相对速度。

    Electronic scanning radar apparatus
    19.
    发明授权
    Electronic scanning radar apparatus 有权
    电子扫描雷达装置

    公开(公告)号:US07688255B2

    公开(公告)日:2010-03-30

    申请号:US11676684

    申请日:2007-02-20

    IPC分类号: G01S13/34 G01S13/58 G01S13/00

    摘要: An electronic scanning radar apparatus has a cutting portion for cutting receiving data which is comprised of N numbers of data for each channel into two more short time data having M (

    摘要翻译: 电子扫描雷达装置具有切割部分,用于将每个通道的N个数据数据的接收数据切割成具有每个通道的时间方向上的M(N)个数据的两个更短的时间数据;逆矩阵 用于从短时间数据计算和估计时间序列相关矩阵的逆矩阵的估计器;以及相位信息产生部分,用于计算时间序列相关矩阵的估计逆矩阵中的CAPON相位信息,以便检测距离, 基于计算出的CAPON相位信息的目标的方位角和相对速度。

    Reflected wave power estimation device in a radar signal processor
    20.
    发明授权
    Reflected wave power estimation device in a radar signal processor 有权
    雷达信号处理器中的反射波功率估计装置

    公开(公告)号:US07486230B2

    公开(公告)日:2009-02-03

    申请号:US11605993

    申请日:2006-11-29

    IPC分类号: G01S7/02 G01S13/93

    摘要: A radar signal processor has observation means for outputting a predetermined observation signal from a reflected wave, means for extracting an observation signal component concerning a target from the observation signal, means for computing a sample correlation matrix showing a correlation characteristic between the observation means from the observation signal components, means for estimating power of the reflected wave from the sample correlation matrix, and an array response matrix which is comprised of response vectors of the reflected waves. When estimating the power, an adjacent azimuth array response matrix having only the reflected waves of a predetermined arrival direction which power is to be estimated and the reflected waves of an azimuth adjacent to the reflected wave as elements is determined so as to estimate the power of the reflected wave.

    摘要翻译: 雷达信号处理器具有用于从反射波输出预定观测信号的观测装置,用于从观测信号中提取关于目标的观测信号分量的装置,用于计算示出来自所述观测装置的观测装置之间的相关特性的样本相关矩阵的装置 观测信号分量,用于从样本相关矩阵估计反射波的功率的装置,以及由反射波的响应矢量组成的阵列响应矩阵。 当估计功率时,确定仅具有将被估计功率的预定到达方向的反射波和与反射波相邻的方位角的反射波作为元件的相邻方位阵列响应矩阵,以便估计功率 反射波。